Stenographic type-writer.



C SPIRO.

STENOGRQPHIC TYPE WRITER. APPLICATlON FILED DEC 2|. m4.

1 1 0,66. Patented Nov. 16, 1915.

CARBON PAPER 6 1 71;. a I

E 40 4 g HHWH jnuenl'ob cnannss srmo, on NEW Ionian. r.

sr'nlvoonnrnio TYPE-WRITER.

Specification of Letters I'atent.

Patented Nov. 16, 1915.

. Application filed December-21, 1914. Serial No. 878,288.

To alt to homizfmaiy c oncem-;'.-.

useful Improvements in-Stenographic Type- Writers, of which thefollowing is-a specifie cation. V e I This invention" relates to .astenog'raphic typewriter and particularly to a. constructlon wherein aseries of typebarsareadapted to print eithersin'gly or 'a'pluralitythereof simultaneously .to produce a proper steno-.

graphic symbol upon an automatically fed strip passing, over a-platen.

The invention has for an object to provide a platen having a pluralitybfindependent tracks or fields, only'one thereof being normally inprinting relation to the type'bars, and another adapted to be shiftedinto such relation when the first mentioned field is removed therefrom.

Another object of the invention'is to provide such a platen mounted in acarriage for matically fedin a rotary direction after each depression ofa typebar. 1 Other and further objects and advantages of the inventionwill be hereinafter set forth and the novel features thereof set forthby the appended claims. I

' In the drawing Figure 1 is a vertical section on the line 1-1 of Fig.2; Fig. 2 is a top plan; Fig. 3 is a detail of a printed strip, at andFig. 4 is a detail of a modified form of the invention.

Like numerals of reference refer to like parts in the several figures ofthe drawing.

The numeral 10 designatesthe frame of en the typewriter which may be ofany desired construction or configuration suitable for the purpose.Within this frame a series of integral typebars and key levers 11 aremounted upon a common pivot or fulcrum '45 12 and adapted to engage a.platen .13.

These typebars are provided with the usual keys 14 and may carry anydesired characters for the Work to be accomplished. A space key15 isalso mounted upon the pivot 12 to operate in the ordinary manner. Thiskey and also the 'key levers are disposed above a universal ball or bar16 which is formed at each end with lateral arms 17 mounted upon thepivot 12. The bail. and '56 levers engaging the same are normally heldin raised position by a spring 18 arranged lateral movement and adaptedto be autoupon at least one arm. The levers 11 form a key'lever at oneend and a type bar at the other.

The platen 13 is pivotally mounted at 19 in a carriage 2Oslidingly'supported upon the cross rods 21 carried by the frame 10. Inthe present instance no mechanism is shown-for accomplishing the slidingmove ment of the carriage, the same being most simply efected by hand.The carriage is formed a 'ith a rearward extension or bracket 22 adaptedto removably. support a rolled sheet or strip of paper as shown at 23.This strip is fed over a tension roll 2i yieldingly mounted on thecarriage and held in contact with the platen'by a spring 25. The stripextends over a portion of the periphery of the. platen and beneath abinding rod 26 mounted in a forward extension 27 of the carriage.

The typ'ebars are arranged with their printing characters in'a lineextending across a portion of the platen, indicated as the normalprinting track or field 30, so as to print either one .or a plurality ofcharacters simultaneously by a single action of the fingers upon thekeys. At one side of this normal track 30 is 'an auxiliary track orfield 31, ordinarily not used in writing, but adapted to be moved intoalinement with the typebars as the normal field is moved out of suchposition. This provides a field on which corrections, interpolations, orother desired memorandum may be noted immediately adjacent the originaltext, instead of on a separate sheet as usual. A proper indicator 32 maybe located upon the binding rod 26 to determine the extent of each ofthese fields.

The platen is provided with an automatic rotary step-by-step feed,preferably by a pawl 33 carried by the arms 17 of the universal bail.This feed may be effected by other means, but in the presentillustration the pawl'33 extends across the front of the platen and foragreater length so as to be constantly in engagement with a ratchet 34pressed at each downward movement of a.

type or space lever and in the restoring action of such lever the platenis fed forward one step so that the printed characters are arranged inparallel horizontal lines at one side of the strip when two fields areused as shown in Fig. 3. Under some conditions it may be desirable touse more than two fields, and the modified form of the invention shownin Fig. 4 illustrates a platen 38 having three fields, the normalprinting field 3-) being at the center and the auxiliary fields it) atopposite sides thereof.

No inking ribbon mechanism is herein shown but any desired form may beused. lthas ordinarily been found sutlicient to use a soft platen with athin paper sheet or strip and a carbon paper or cloth backing having itscoated face next the paper as i11- dicated in Fig. 3. The impressionfrom the raised type takes up suliicient carbon to make the characterclearly visible through .the thin paper.

In stenographic typewriters now in use when interpolations or memorandumrelating to the original text are made they mustbe placed upon separatesheet or at a place upon the printed sheet removed fron'i theirapplication to said text and reference thereto made. This inventionprovides a normal writing field to receive the original text and aparallel auxiliary field adapted to be shifted immediately intoalinement with the type-bars at their printing point to receive notationof any changes or interpolations directly adjacent the portion of theoriginal text to which they relate. After such notation the platen maybe at once shifted back to the normal field and the original textthereon continued. In this construction of machine either one key may bedepressed to print or a plurality thereof simultaneously to produce aword symbol at a single stroke and after each stroke the paper is automaticall y fed forward one space so that the characters are printed inparallel horizontal lines adjacent a blank or auxiliary field for thepurposes set forth. The feed pawl is constantly in engagement with theplaten ratchet so that the latter may be shifted to any position andstill be automatically fed.

A number of details of construction have been shown and described butthe invention is not specifically confined thereto but relates primarilyto the structure embodying the use of the normal and auxiliary fields ortracks as defined by the appended claims.

What I claim is 1. In a: stenographic typewriter, type bars adapted tosimultaneously print a. plurality of characters in a predeterminedfield, and a platen bodily shiftable alongside said field and adapted tohave independent or distinct portions thereof brought over said typebars thereby providing independent. fields for writing, one of which isadapted to receive the complete main text to be written and the othernotations in alinemenl with and referring to said text.

2. In a stenographic typewriter, type bars adapted to print a pluralityof characters in a predetermined field and. a platen bodily shiftablealongrside said field and adapted to have independent or distinctportions thereof brought over said type bars thereby providingindependentfields for writing at a right angle to the normal automaticplaten feed, one of which is adapted to receive the complete main textto be written and the other notations in alineuient with and referringto said text.

3. In a stenographic typewriter, ty e bars adapted to simultaneouslyprint a p nrality of characters in a predetermined field,

and a platen rotatable in the ordinal-v comindependent or distinctportions thereof brought over said type bars thereby providingindependent fields for writing, one of which is adapted to receive thecomplete main text to be written and the other notations in alinemcntwith and referring to said text.

4. In a stenographic typewriter, type bars adapted to simultaneouslyprint a. plurality of characters in a predetermined field, and a platenbodily shiftable alongside said field and having an automatic rotaryfeed and adapted to have independent or distinct portions thereofbrought over said type bars thereby providing: independent fields forwriting, one of which is adapted to receive the complete main text to bewritten and the other notations in alinement with and referring to saidtext.

5. In a stenographic typewriter, type bars adapted to simultaneouslyprint a plurality of characters iii a predetermined field. and anormally longitudinally stationary platen bodily shiftable alongsidesaid field and having an automatic rotary feed and adapted to haveindependent or distinct portions thereof brought over said type barsthereby providing independent fields for writing, one of which isadapted to receive the complete main text to be written and the othernotations in alinement with and referring to said text.-

6. In a stenographic typewriter, type bars adapted to simultaneouslyprint a plurality of characters in a predetermined field. a platenbodily shiftable alongside said field and adapted to have independent ordistinct portions thereof brought over said type bars thereby providinginde 'iendent fields for writing, each covering the printing area. ofall of the type bars, and means to permit the selective shifting of saidplaten to bring either field into printing position.

7. In a stenographic typewriter, type bars adapted to simultaneouslyprint a plurality of characters in a predetermined field, a platenbodily shiftable alongside said field and adapted to have independent.or distinct portions thereof brought over said type bars therebyproviding independent fields for writing, each COVBIIIlg' the printingarea of all of the type bars, means to permit the selective longitudinalshifting of said platen to bring either field into printing position,and means controlled by said type bars for automatically rotating saidplaten when in either of said fields.

8. In a stenographic typewriter, type bars adapted to simultaneouslyprint a plurality of characters in a predetermined .field, a platenbodily shiftable alongside said field and adapted to have independent ordistinct portions thereof brought over said type bars thereby providingindependent fields for writing, and a pawl fixed relative to thelongitudinal'travel of the platen and extending longitudinally acrossthe same to impart a step-by-step rotary feed thereto when either ofsaid fields is in printing position.

9. In a stenographic typewriter, type bars adapted tosimultaneouslyprint a plurality of cnaracters in a predetermined field, a

- platen bodily shiftable alongside said field and adapted to haveindependent or distinct portions thereof brought over said type barsthereby providing independent fields for writing, a pawl fixed relativeto the longitudinal travel of the platen and extending longitudinallyacross the same to impart a step-by-step rotary feed thereto when eitherof said fields is in printing position, and means actuated by said typebars for automatically operating said pawl.

10. In a stenographic typewriter, type bars, a platen having apluralityof fields and mounted for longitudinal movement to shift either of saidfields into alinement withsaid typebars, a universal bail disposedbeneath and actuated by said type bars, and a pawl carried by said bailand extending longitudinallyacross said platen to' impart a rotary stepfeed to said platen when either field is in printing position.

11. In a stenographic typewriter, a series of type bars pivoted upon acommon fulcrum, a universal'bail disposed beneath and actuated by saidtype bars, a sliding carriage, a platen pivoted therein and having aplurality of fields one of which is normally in printing relation tosaid type bars, a feed ratchet upon said platen, and a feed pawl pivotedon said universal bail and enment of said platen.

12. In a stenographic typewriter, a series of type bars pivoted upon acommon fulcrum, a universal bail pivoted on said fulgaging'said ratchetto effect a rotary movecrum and disposed beneath and actuated by saidtype bars, a sliding carriage, a platen pivoted therein provided with aratchet and having a plurality-of fields one-of which is normally inprinting relation to said type bars, and a U-shaped feed pawlextendinging tension roll engaging said platen tocontrol the paper feedthereon, a feed ratchet carried by said platen, and a pawl engaging saidratchet and actuated by said universal bail to effect a rotary movementof said platen. I

In testimony whereof I afiix my signature in presence of two witnesses.

' CHARLES SPIRO. "Witnesses: STEPHEN F. CURTIS, E. F. TIEDEMAN.

@opllea of this patent may be obtallnedt for live cents each, byaddressing the Commissioner of Patents, Washington, D. G.

